742465564261 has 2 divisors, whose sum is σ = 742465564262. Its totient is φ = 742465564260.

The previous prime is 742465564231. The next prime is 742465564277. The reversal of 742465564261 is 162465564247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582521559361 + 159944004900 = 763231^2 + 399930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742465564261 is a prime.

It is a super-2 number, since 2×742465564261² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 742465564199 and 742465564208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742465564231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371232782130 + 371232782131.

It is an arithmetic number, because the mean of its divisors is an integer number (371232782131).

Almost surely, 2^742465564261 is an apocalyptic number.

It is an amenable number.

742465564261 is a deficient number, since it is larger than the sum of its proper divisors (1).

742465564261 is an equidigital number, since it uses as much as digits as its factorization.

742465564261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 52.

The spelling of 742465564261 in words is "seven hundred forty-two billion, four hundred sixty-five million, five hundred sixty-four thousand, two hundred sixty-one".